56454906 has 24 divisors (see below), whose sum is σ = 116681472. Its totient is φ = 18209400.

The previous prime is 56454899. The next prime is 56454953. The reversal of 56454906 is 60945465.

It is a super-2 number, since 2×56454906² = 6374312822937672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (4861728).

Almost surely, 2^56454906 is an apocalyptic number.

56454906 is an abundant number, since it is smaller than the sum of its proper divisors (60226566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56454906 is a wasteful number, since it uses less digits than its factorization.

56454906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858 (or 9827 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56454906 is about 7513.6479821722. The cubic root of 56454906 is about 383.6194009998.

The spelling of 56454906 in words is "fifty-six million, four hundred fifty-four thousand, nine hundred six".